Shoe upper



FIG. 1 is a first rear perspective view of a shoe upper showing my new design;

FIG. 2 is a rear view thereof; and,

FIG. 3 is a second rear perspective view thereof.

The even-length broken line showing in a rectangular shape represents stitching. The broken lines showing the remainder of the shoe are for environmental purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a shoe upper, as shown and described. 